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| author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-06-23 18:21:26 +0000 |
|---|---|---|
| committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-06-23 18:21:26 +0000 |
| commit | b6d7c3db4fd7b375e649b35c2d0722ef00f8fb35 (patch) | |
| tree | ca23adb627b9c568cc223a3c2f7456cd6894fbe8 | |
| parent | e034e2c39aee1800101812045690e0575abb428b (diff) | |
| download | qemu-b6d7c3db4fd7b375e649b35c2d0722ef00f8fb35.zip | |
Fix division by zero handling, by Joris van Rantwijk.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3012 c046a42c-6fe2-441c-8c8c-71466251a162
| -rw-r--r-- | target-i386/translate.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/target-i386/translate.c b/target-i386/translate.c index 96e72c9dd8..393db0d65e 100644 --- a/target-i386/translate.c +++ b/target-i386/translate.c @@ -5327,8 +5327,12 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) if (CODE64(s)) goto illegal_op; val = ldub_code(s->pc++); - gen_op_aam(val); - s->cc_op = CC_OP_LOGICB; + if (val == 0) { + gen_exception(s, EXCP00_DIVZ, pc_start - s->cs_base); + } else { + gen_op_aam(val); + s->cc_op = CC_OP_LOGICB; + } break; case 0xd5: /* aad */ if (CODE64(s)) |